About Varistors

Tdk Varistors

A varistor (also known as a voltage-dependent resistor, or VDR) is a resistor whose resistance changes as the voltage across it increases or decreases. Varistors are typically constructed from a ceramic material containing semiconductor materials such as silicon and germanium. They have a relatively large resistance at low voltage levels, but as the voltage increases, their resistance drops significantly, allowing more current to flow through them. This feature makes them useful for absorbing transient voltages, which are sudden increases in the voltage that can occur when a device is powered on or off. Varistors are also commonly used to provide overvoltage protection, where they absorb and dissipate excessive voltages before they reach sensitive electronic components.

Varistors

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(Ex. GST)(▲▼)		Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
B72214S0421K151


VARISTOR, 420VAC, 1.12KV, DIS, Reel
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TDK Availability : 0
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USD 0.341
Multiples of: 1

        - 40 C To + 85 C Tape Reel       
S10K35G5


S10K35G5
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TDK Availability : 0
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USD 0.3452
Multiples of: 1

          -       
B72520G0170K062


Varistors 1206 22VDC 1500pF AEC-Q200
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TDK Availability : 0
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USD 0.3457
Multiples of: 1

                  
B72520G1200K062


Varistors CT1206K20AUTOG_G
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TDK Availability : 0
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USD 0.3457
Multiples of: 1

                  
S20K320


Var MOV 320VAC/420VDC 8000A 510V Thru-Hole Radial Automotive Bulk
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USD 0.349
Multiples of: 1

          Bulk       
B72580V600S162


MLV CN1812S60AG
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USD 0.3494
Multiples of: 1000

Mlv         Reel       
B72580V0300K062


Var MOV 30VAC/38VDC 800A 47V 1812 SMD Automotive T/R
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TDK Availability : 0
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USD 0.3505
Multiples of: 1000

 30 V38 V77 VNot Required mm 4.2(Joule)2000 pF  Tape And Reel   47 V   
CN1210K25G


Varistors Circuit Protection
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USD 0.351
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          -       
B72210P2301K104


Varistor: metal-oxide; THT; 300VAC; 385VDC; 470V; 3500A; 65J
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TDK Availability : 0
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USD 0.3514
Multiples of: 500

              470 V   
B72520G0350K062


Varistors 1206 45VDC 820pF AEC-Q200
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TDK Availability : 0
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USD 0.3538
Multiples of: 1

                  
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